/*!	 widgets/widget_curves.h
**	 Template Header
**
**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifndef __SYNFIG_STUDIO_WIDGET_CURVES_H
#define __SYNFIG_STUDIO_WIDGET_CURVES_H

#include <gtkmm/box.h>
#include <gtkmm/table.h>
#include <gtkmm/spinbutton.h>
#include <gtkmm/adjustment.h>
#include <gtkmm/drawingarea.h>
#include <gtkmm/layout.h>
#include <synfig/color.h>
#include <synfigapp/value_desc.h>
#include <list>

namespace studio
{

class Widget_Curves : public Gtk::DrawingArea
{
    struct Channel;
    struct CurveStruct;

    Glib::RefPtr<Gtk::Adjustment> time_adjustment_;
    Glib::RefPtr<Gtk::Adjustment> range_adjustment_;

    std::list<CurveStruct> curve_list_;

public:

    Widget_Curves();
    ~Widget_Curves();

    void set_value_descs(std::list<synfigapp::ValueDesc> value_descs);
    void clear();
    void refresh();

    Glib::RefPtr<Gtk::Adjustment> get_range_adjustment()
    {
        return range_adjustment_;
    }
    Glib::RefPtr<Gtk::Adjustment> get_time_adjustment()
    {
        return time_adjustment_;
    }
    void set_time_adjustment(const Glib::RefPtr<Gtk::Adjustment>&);

private:
    bool on_draw(const Cairo::RefPtr<Cairo::Context> &cr);
    bool on_event(GdkEvent *event);

}; // END of class Widget_Curves

}; // END of namespace studio

#endif